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Quality product for HVAC sector, accuracy ± 2.0 %
Calibratable duct humidity ⁄ temperature sensors HYGRASGARD® KFF - SD, with plastic sinter filter (optional metal sinter filter), terminal box enclosure made of impact-resistant plastic, enclosure with snap-on lid. It measures the relative humidity and ⁄ or the temperature of the air and converts the measurands into a standard signal of 0 - 10 V or 4...20 mA. It has four switchable temperature ranges and is applied in non- aggressive dust-free atmospheres in refrigeration, air conditioning, ventilation and clean room technology. Relative humidity (in % r. H.) is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature. These measuring transducers are designed for exact detection of humidity. A digital long-term stable sensor is used as measuring element for humidity measurement. Fine adjustment by the user is possible.
24 V AC (± 20 %) and
15…36 V DC
|Power consumption||< 1.1 VA ⁄ 24 V DC ; < 2.2 VA ⁄ 24 V AC|
|Load resistance||RL > 5 kOhm|
digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
|Measuring range, humidity||
0...100 % r. H.
(output corresponding to 0 -10 V)
|Deviation of humidity||typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 %|
|Output, humidity||0 - 10 V|
|Measuring range, temperature||
with 4 switchable measuring ranges
–35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C
(output corresponding to 0 -10 V or 4...20 mA)
plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable
(optional metal sinter filter, Ø 16 mm, L = 32 mm)
by mounting flange, plastic
(included in the scope of delivery)
PLEUROFORMTM, material polyamide (PA6), with torsion
protection, Ø 20 mm, NL = 235 mm, vmax = 30 m/s (air)
(on request, optional stainless steel V2A (1.4301), Ø 16 mm)
2-, 3- or 4-wire connection
0.14 -1.5 mm ² via terminal screws on circuit board
material polyamide, 30 % glass-globe-reinforced
colour traffic white (similar to RAL 9016)
ALTF 02 with snap-on lid,
|Enclosure dimensions||72 x 64 x 37.8 mm (Tyr 01)|
2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 6 mm
|Long-term stability||± 1 % ⁄ year|
|Permissible air humidity||< 95 % r. H., non-precipitating air|
|Protection class||III (according to EN 60 730)|
|Protection type||IP 43 (according to EN 60 529) enclosure only!|
according to EMC directive 2014 ⁄ 30 ⁄ EU,
according to EN 61326-1, according to EN 61326-2-3
ISH Messe Frankfurt – S+S Regeltechnik looks forward to meeting you!
11. - 15.03.2019
Stand 10.3 A71
At the ISH, the world's leading trade fair for "The Bathroom Experience,...
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